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Date:   Mon, 24 Aug 2020 15:49:02 -0700 (PDT)
From:   David Miller <>
Subject: Re: [PATCH] net: Check the expect of skb->data at mac header

From: Miaohe Lin <>
Date: Thu, 20 Aug 2020 08:28:22 -0400

> skb_mpls_push() and skb_mpls_pop() expect skb->data at mac header. Check
> this assumption or we would get wrong mac_header and network_header.
> Signed-off-by: Miaohe Lin <>

Both openvswitch and act_mpls.c seem to adhere to this constraint.

I don't see real value to these extra checks, sorry.

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